Messages in this thread | | | Date | Mon, 5 Jul 2010 12:40:35 +0200 | From | Ingo Molnar <> | Subject | Re: [regression] commit 6a4f3b52 causes invalid memtype |
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* Ali Gholami Rudi <ali@rudi.ir> wrote:
> Xiaotian Feng <dfeng@redhat.com> wrote: > > On 07/05/2010 05:28 PM, Ali Gholami Rudi wrote: > > > Xiaotian Feng<dfeng@redhat.com> wrote: > > >> Could you please try following commit in -tip tree? > > >> > > >> commit 2463eb8b3093995e09a0d41b3d78ee0cf5fb4249 > > >> Author: Peter Zijlstra<peterz@infradead.org> > > >> Date: Sat May 29 15:31:43 2010 +0200 > > >> > > >> rbtree: Undo augmented trees performance damage > > > > > > Where can I get it? I couldn't find it either in > > > Linus' or x86 repo tip. > > http://git.kernel.org/tip/2463eb8b3093995e09a0d41b3d78ee0cf5fb4249 > > It does fix it.
Hm, interesting. That's a pure performance fix - so why does it fix a regression?
Does Peter's augmented rbtrees improvements fix a bug too, as a side-effect? If yes then we need to accelerate that commit - right now it's aimed for v2.6.36.
Thanks,
Ingo
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